| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 19.34 | 25.09 | 15.79 |
| 2024 | 15.02 | 23.95 | 8.93 |
| 2023 | 13.84 | 20.37 | 7.31 |
| 2022 | 9.04 | 13.27 | 6.94 |
| 2021 | 13.84 | 19.84 | 10.71 |
| 2020 | 20.98 | 28.68 | 15.36 |
| 2019 | 13.31 | 20.53 | 6.27 |
| 2018 | 9.93 | 16.57 | 5.89 |
| 2017 | 16.19 | 22.64 | 11.42 |
| 2016 | 32.98 | 49.7 | 21.06 |
| 2015 | 28.64 | 59.44 | 9.46 |
| 2014 | 9.95 | 14.25 | 7.33 |
| 2013 | 7.94 | 10.5 | 5.57 |